/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/GeometryCollectionClusteringUtility.h
Reparent source bones under root bone
static void ClusterBonesUnderExistingRoot ( [FGeometryCollection](API\Runtime\Chaos\GeometryCollection\FGeometryCollection) * GeometryCollection, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & SourceElements )